Part 3/11:
The narrative begins to intertwine as Susan returns to work, only to be summoned unexpectedly by her boss, Steven, who leads her to a perplexing case in the hospital. A man exhibits sudden depression, excessive crying, and a loss of smell, which intrigues, yet deeply concerns Susan, especially as they discover similar cases are manifesting worldwide. With anxiety brewing, both Michael and Susan attempt to carry on with their lives amidst the growing mystery surrounding this unidentified illness.