Park Jun-hyuk

Woo Yeong-min travaille dans la police mais démissionne le jour où son partenaire meurt par sa faute, abattu par un criminel lors d'un face à face qu'il a causé. Il trouve un emploi dans une compagnie de sécurité mais est très vite amené à recroiser Heo Hyeon-su, un ancien rival qui enquête sur une série de meurtres. La présence du policier va obliger Woo à revivre sans cesse les évènements dramatiques qu'il a connu et les mystères qui les entourent ...

Hong Ji Won grew up at an orphanage. To escape from her poor background, she studied hard and graduated from a prestigious university. She then worked as a secretary at a large company. Finally, Hong Ji Won married the owner of the company and gave birth to a son. Now, Hong Ji Won learns that her son has a disease. She decides that she will do anything for her son. Son YeoRi was raised by wealthy foster parents, but she is abandoned by foster parents and her boyfriend. To protect her child, Son Yeo Ri goes to prison.

Ji-Young (Lee In-Hye) has a bright personality. Due to a difficult situation, she becomes a surrogate mother. With her bright personality, she gets through hardships and struggles to obtain happiness.

Hang Jung Im (Park Sun Young) lives in an ordinary life as a wife and mother. However, Her life have problem when her friend has an affair with her husband and she loses her daughter after that.