Remembering nothing from the day before, crotchety octogenarian Paul Jacobson must become an amateur sleuth to clear himself as a murder suspect when he finds a dead body in the trash chute of a retirement home. As Paul's snooping and short-term memory loss get him in trouble with the local police, his new friends and granddaughter Jennifer help him solve an expanding list of crimes. Paul finds romance as he struggles to escape a murderer intent on a repeat performance.