Malloy and Reed handle a safe cracking case where the MO is an old one used by several men. However, it was known to be the specialty of one man Malloy previously arrested. When they look up the man, they learn he has taken in a niece and nephew whose parents were killed. He provides Malloy and Reed with a hint about another store he knows has the same type of safe they should check. A noise complaint at a hotel escalates to a theft complaint. A man is taken advantage of by a woman and apparent accomplice. They find the woman and she tells them she is the victim of a cousin who taken her baby as hostage and is forcing her to meet and steal from men. They arrest the man and recover the baby. Following up on the hint given by the safe cracker they find the thieves in action and not what they expected.