Agent Knight's past resurfaces when her ex-boyfriend, a National Parks Service agent, teams up with NCIS to investigate a campsite murder.
Reese receives another threatening text with a specific image of Zoe attached.
Emotions run high as Hope and Thomas ask family and friends to be a part of their ceremony.
Hope and Liam make love for the first time since Beth's tragedy.
Wyatt surprises Flo with an invitation to dinner and a kiss.
