Maeve O'Malley rescues an unconscious man on a snowy December night, and in the interest of propriety, soon finds herself married to the nameless stranger. When his memory returns, Charles Rycroft, an art collector from one of Boston's wealthiest families, is astounded to learn he's a married man. But as Christmas nears, Maeve's presence is a ray of light, and he suspects her love may be his greatest joy.