When Mike and Willis' mothers come for a Mother's Day visit, they get conned into robbing a bank and end up in a Mexican jail; Mike and Willis must find the culprit while their Moms adapt to life behind bars.
An old girlfriend of Mike's and her terminally ill daughter come to visit. When Willis tells her of a legendary waterfall with medicinal powers, she strikes out on her own to try and find it. It is up to Mike, Willis and Dave to find her.
When the crew rescues a local piano player drifting on top of a his grand piano on a boat in the ocean, Mike and Willis have to figure out who the culprits are.