For Valentine's Day, Lily and Marshall invite Robin and Kevin on a weekend getaway to Vermont, where Kevin and Robin discuss taking their relationship to the next level. Meanwhile, Barney realizes he has finally met his match.
In order to avoid having tea with an annoying childhood friend, Penny (Casey Wilson) makes up a series of detailed lies that quickly spin out of control. Meanwhile, Dave (Zachary Knighton) and Max (Adam Pally) struggle to convince their nosy landlord to fix their oven.
Having discovered that Jasper may still be alive Clarke Bellamy Octavia Finn and Monty set out on a mission to locate their friend and are shocked at what they find. Meanwhile on the Ark Abby is determined to get to Earth and enlists Raven (guest star LINDSEY MORGAN) to craft an escape pod.
Clarke's newfound romance with Finn is threatened. After suffering a blow to the head, Octavia wakes up to find a Grounder watching her. On the Ark, Abby exposes Kane's plan to reduce the population of the Ark. Then, Chancellor Jaha and Abby notice a signal and realize at least some of the 100 must still be alive on Earth.
Bellamy leads his crew into Grounder territory as they search for Octavia. Raven can't help but notice the deep connection between Finn and Clarke. Meanwhile, flashbacks reveal Bellamy and Octavia's difficult childhood on the Ark.
