LAI-HING sends her family golden ring to SAI-TING and SAI-TING feels shameful to accept this heirloom. SIU-NAM discovers SAI-YIN's home key left by SAI-TING and he sneaks into SAI-YIN's home to carry out investigation. SIU-NAM tries to put himself into SAI-YIN's world and he finally gets hold of SAI-YIN's complicated state of mind. LAI-HING and SAI-TING find that SIU-NAM has been indulged in SAI-YIN's world completely. They worry that SIU-NAM will have mental disorders and LAI-HING brings him to the mental hospital for treatments. KIN-HO discovers from the immigration record that SAI-YIN has returned to Hong Kong a week ago. SAI-YIN wants to kill LAI-HING and he hides in SIU-NAM's home secretly. SAI-TING discovers SIU-NAM in CHOR-KIU's place but SIU-NAM claims that he is SAI-YIN. When they entangle with each other, the real SAI-YIN suddenly appears.… ...