Walden grants Alan a wish as a divorce present. Lyndsey does not approve of Alan's choice so he tries to make it up to her.
Lyndsey drops off some off Alans old things and tell him she is leaving town. Alan tries to win her back and breaks up with Ms. McMartin.
Walden joins a support group for fathers with adoptive kids. But Alan isn't that easy to get away from.
Walden and Alan become foster parents for the weekend to a 6 year old boy named Luis. Walden is frustrated over making this work; thus, triggering series of fun incidents.
Walden baby proofs the house to pass the inspection from the adoption agency. Walden and Alan have a "we're getting a baby party" with their friends.