Peter Malof

After revealing Sutton's real relationship with Ethan, the Mercers insist she invite him over for dinner. Hesitant because of his obvious feelings for Emma, Ethan obliges, only to have the dinner cut short by a disturbing visit from his brother, Dan (recurring guest star TYLER CHRISTOPHER - Into the West, General Hospital). As Emma and Ethan struggle to keep order in Arizona, Sutton and Thayer (recurring guest star CHRISTIAN ALEXANDER - Eastwick) discover shocking revelations in Los Angeles pertaining to the search for the girls' birth mother. Although the outcome may not turn out to be what Sutton had hoped for, it does lead her to wonder what it is that everyone around her has been hiding all of these years. Will Sutton be able to find the answer about why she and Emma were separated, or will her curiosity put her and her loved ones' lives in danger?

For love of the game -- Coach Taylor feels the players are losing their grasp on the beauty of the game of football as distractions such as envelopes full of cash begin to mysteriously show up in the players' lockers. An unexpected accident suddenly poses a problem and the team's home field advantage in the final game before the state championships is threatened. Coach Taylor takes it upon himself to not only find a new home field, but also to remind the players of their love for the game. With the pressure of the game building and the off-field distractions escalating, Coach Taylor and the Panthers have to get priorities in order to come out with a victory.

Tim Riggins (Taylor Kitsch) and Jason Street (Scott Porter) head to Mexico as Street hopes to explore experimental surgery. Riggins, who is concerned about Street, turns to Lyla Garrity (Minka Kelly) who is busy trying to help a new comer to Dillon. Meanwhile, Coach Taylor (Kyle Chandler) makes a huge career move that will change his life. A big development in a police search causes tension between Tyra (Adrianne Palicki) and Landry (Jesse Plemons) as Landry starts to consider confessing what he did to the authorities.

Key evidence implicates Landry (Jesse Plemons) in the murder investigation prompting him to come clean with his father. Tami's (Connie Britton) more free-spirited sister, Shelley (Jessalyn Gilsig), comes to help Tami out with the baby, but only manages to make waves in the Taylor household. Meanwhile, Tim Riggins (Taylor Kitsch) is kicked off the team and must prove to Coach Taylor (Kyle Chandler) that he truly wants to be a Panther.

Ethan insists on helping Emma get the answers she's looking for about her twin sister. So when a tattoo sparks a memory about Sutton, Ethan pursues an explanation. But the information proves costly when Ethan heads into a situation that quickly gets out of control. Meanwhile, Mads sneaks off to see Ryan (recurring guest star MISHA CROSBY – Hollyoaks), and Laurel continues to see Justin (recurring guest star RANDY WAYNE) against her parents' wishes.