Kim Han Joo kidnaps Baek Won, but due to unforeseen circumstances he was not able to return the child. Hence, he took in the child as one of his adopted children. The seven orphans experienced hardships together and have bonds that are even stronger than that of blood-related siblings, but fate threatens to force them apart when Baek-Won finds out her birth secret and has to go against her own biological family. Chun-Won"s "unstoppable thirst" to do anything to get out of the poverty and her jealousy towards Baek Won.