Quest for Redemption

S4, E10: Three teens search for their mother after she abandoned them to their father six years before. When their parents divorced, the children initially stayed with their mother, who soon succumbed to drug and alcohol abuse. Social services placed them with their father in another state. Sporadic phone calls from their mother eventually stopped. Heartbroken the children never gave up hope she would return. Now years later, the now teenagers have enlisted the Locator's help to find their mother. They don't know if she is dead or alive.