Mom P.I. (1990)

Sally Sullivan, a devoted mother working as a waitress to make ends meet, gets caught up in a cat-and-mouse mystery when her sister Ruth goes missing in the middle of a criminal investigation.

Sally, eager to try a little more detective work, inadvertently gets her own client while waiting for Bernie in his office.

Why anyone would want to burn Ivory's music store is beyond Bernie, but the uninsured charred remains testify that someone did. Both Bernie and Sally take the case.

Sally stumbles onto a rich man's plot to murder his wife, but when she tries to enlist Bernie's help to stop the crime, they both get in over their heads.

A defense attorney hires Bernie and Sally to track down more witnesses to a pool hall homicide.

Due to his morbid fear of hospitals, Bernie brings in Sally to investigate the circumstances of an old man's will.

Sally's brother-in-law, a fugitive on the run from dangerous gangsters, hopes to reconnect with his niece and nephew before he leaves the country.

Sally agrees to deliver a bank robber's encrypted letter to his girlfriend, hoping she might decipher the code and reveal the location of the loot.

Sally and Bernie set up a stakeout on a hotel room, only to learn that somebody else is spying on their quarry.

Marie's friend Blair wants to see her natural father just one more time before she moves away with her foster family, but Sally discovers that Blair's dad does not want to be found.

Three women use a tunnel beneath the Pacific Café for a break-in, but when the police get word of the route, Bernie is forced to choose between his past loyalties and justice.

Bernie knows it's a little shady to be searching the prosecutor's office on behalf of a defense attorney, but an innocent man's freedom is on the line.

Sally and Bernie hope to prove Vic Stephens has been faking his neck injury to collect insurance money, but neither of them can seem to make him slip up.