Chang Ya-nan was once a student at the police training school. Due to health issues, she had to abandon her training and later married a police officer. Tragically, after several years of marriage, Ya-nan’s husband suddenly passed away. Forced to support her family, Ya-nan had to work as a cleaning staff member handling special cases at Sunshine Cleaning Company. Unexpectedly, this job brings her into contact with a group of colleagues, leading to workplace relationships that, although appearing on the fringe, contain warm human connections.

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