When your husband walks out, there are three things you gotta do... get a job, get a lawyer, and get a man... because One Is a Lonely Number! A heartbroken young woman struggles to come to terms with her husband's infidelity with his 19-year-old mistress. After her husband abandons her, she finds it difficult to cope and lives in the hope that her husband will return. But over time she finds herself falling in love with a married man, and only then does she truly realize what is most important in life.