Mel flips out when he finds marijuana in his daughter Katie's bag - only to discover his ex-wife Joyce put it there. Apparently, Joyce is trying things she never could when married to Mel. Meanwhile, as his twelfth birthday approaches, Henry is convinced he's going blind since that's the age his dad was when he lost his sight. It's irrational, but just in case, Henry and his best friend Runyen, embark on a quest to see the one thing a boy must see before he goes blind.