Gregor fears Sarah could leave him, when she knows the truth, that Leonard and her are not related. Even though he loves her very much, he finally tells her the truth.
Andi is happy to have soon a family with Olivia. But then he becomes a hint from Charlie, that Olivia isn't pregnant.
Oliver returns and makes Charlie happy with surprise visit. Than, when he also sees Lars and Olivia, he realizes how much he misses his family.