Second Husband is a passionate romance story. It revolves around Bong Sun Hwa and her family surrounding a confectionery company. She underwent an unfortunate childhood, but due to her strong and positive personality, she rises up. Growing up in same neighborhood she had a long relationship with Moon Sang Hyuk. But, when she unjustly loses her family due to a tragedy born out of an unstoppable desire, she pledges revenge in the mixed fate and love.