HEI-YAN has got a fever and she is sent to the hospital. MAN-YUET blames herself for not stopping HEI-YAN to make paper cranes for FAN-SING for the whole night. HO-TAK, SO KIT and PUI-CHUNG carry out investigation together. They reveal to MAN-SAN that HEI-YAN might be suffering from a heart failure and she needs an operation urgently. MAN-SAN tells his daughter that he has made a request for transferring back to Cardiothoracic Division so that he could support her. CHIN-YEE looks for MAN-SAN at the harbour and she encourages him to have confidence in himself. TZE-YU is stuck when investigating the disease and YAT-KIN encourages her. MAN-SAN performs an operation for his daughter but his daughter's condition is getting worse during the operation. TZE-YU plays a video of MAN-SAN teaching little HEI-YAN to sing. MAN-SAN tries to encourage HEI-YAN by speaking to her softly. CHIN-YEE visits HIU-TUNG……