He Ain't Heavy, He's My Brother

Maura throws a goodbye party for Tommy, since he has gotten a new apartment and is moving out of her house. Later on when he comes back to show his appreciation for her letting him stay in his home, they almost share a kiss but Maura says no because it might affect their relationship with Jane. The next day a bank is robbed and a man is gunned down as the killer is about to leave. When at the scene Det. Frost and a FBI agent seem to know each other from a past time. When the van is found that was used in the robbery, the dead body of one of the robbers is in it. Korsak finds out that Frost and the FBI Agent used to be engaged, him and Jane want to find out what happened. When the FBI runs the prints from the van, the print matches Tommy. Tommy is then arrested and when Jane finds out she gets angry at Maura for not telling her. Tommy tells Jane that the only reason he had the van was to move to his new place, since he and the dead bank robber were friends. Jane, Korsak and Frost work to see that Tommy's alibi is legit. As another bank robbery is underway, and a hostage is bleeding out, Jane goes in to talk the gunmen down. With the gunmens' identities now revealed, Tommy is released from prison and the charges are dropped.